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All results from a given calculation for CH3CHF2 (Ethane, 1,1-difluoro-)

using model chemistry: wB97X-D/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/daug-cc-pVTZ
 hartrees
Energy at 0K-278.344591
Energy at 298.15K 
HF Energy-278.344591
Nuclear repulsion energy132.535528
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at wB97X-D/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3160 3160 12.91 35.58 0.69 0.82
2 A' 3084 3084 34.10 117.49 0.20 0.33
3 A' 3070 3070 2.94 144.81 0.01 0.01
4 A' 1491 1491 5.69 4.18 0.75 0.86
5 A' 1443 1443 66.78 0.64 0.41 0.58
6 A' 1396 1396 1.90 0.73 0.46 0.63
7 A' 1170 1170 56.91 2.95 0.12 0.21
8 A' 1152 1152 80.94 2.91 0.65 0.79
9 A' 881 881 7.07 6.79 0.12 0.21
10 A' 575 575 5.16 0.84 0.26 0.41
11 A' 472 472 12.24 0.84 0.57 0.72
12 A" 3158 3158 8.59 47.10 0.75 0.86
13 A" 1492 1492 1.07 3.02 0.75 0.86
14 A" 1390 1390 18.35 3.60 0.75 0.86
15 A" 1154 1154 157.20 1.89 0.75 0.86
16 A" 956 956 74.89 2.28 0.75 0.86
17 A" 388 388 0.25 0.37 0.75 0.86
18 A" 231 231 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13331.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13331.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at wB97X-D/daug-cc-pVTZ
ABC
0.31787 0.29961 0.17294

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.163 0.000
C2 -0.898 1.039 0.000
H3 1.265 0.712 0.000
F4 0.321 -0.649 1.095
F5 0.321 -0.649 -1.095
H6 -1.792 0.418 0.000
H7 -0.896 1.670 0.887
H8 -0.896 1.670 -0.887

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50131.09191.36291.36292.12822.13112.1311
C21.50132.18702.35262.35261.08861.08831.0883
H31.09192.18701.98541.98543.07052.52482.5248
F41.36292.35261.98542.18952.60802.62793.2845
F51.36292.35261.98542.18952.60803.28452.6279
H62.12821.08863.07052.60802.60801.77641.7764
H72.13111.08832.52482.62793.28451.77641.7732
H82.13111.08832.52483.28452.62791.77641.7732

picture of Ethane, 1,1-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.485 C1 C2 H7 109.735
C1 C2 H8 109.735 C2 C1 H3 114.064
C2 C1 F4 110.354 C2 C1 F5 110.354
H3 C1 F4 107.442 H3 C1 F5 107.442
F4 C1 F5 106.879 H6 C2 H7 109.380
H6 C2 H8 109.380 H7 C2 H8 109.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.545      
2 C -1.699      
3 H 0.750      
4 F -0.872      
5 F -0.872      
6 H 0.259      
7 H 0.444      
8 H 0.444      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.354 2.233 0.000 2.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.441 0.483 0.000
y 0.483 -22.854 0.000
z 0.000 0.000 -25.341
Traceless
 xyz
x 2.656 0.483 0.000
y 0.483 0.537 0.000
z 0.000 0.000 -3.193
Polar
3z2-r2-6.387
x2-y21.413
xy0.483
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.370 -0.184 0.000
y -0.184 4.404 0.000
z 0.000 0.000 4.372


<r2> (average value of r2) Å2
<r2> 71.855
(<r2>)1/2 8.477